Home / 116,629.50-174,930.36-68,626.80

Finding the Fourth Proportional to 116,629.50, 174,930.36 and 68,626.80

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Solution

The fourth proportional to 116,629.50, 174,930.36 and 68,626.80 is: 102,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,629.50 : 174,930.36 = 68,626.80 : x
  2. Step 2: Convert to fraction form
    116,629.50/174,930.36 = 68,626.80/x
  3. Step 3: Cross multiply
    116,629.50x = 174,930.36 × 68,626.80
  4. Step 4: Simplify right side
    116,629.50x = 12,004,910,829.65
  5. Step 5: Solve for x
    x = 12,004,910,829.65/116,629.50
  6. Step 6: Final answer
    x = 102,932.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.